Download Science Quarterly 2017 Review Sheet 1. What

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Science Quarterly 2017 Review Sheet
1. What is a variable? Define Independent, Dependent, and Constant variable.
2. What kind of questions can Science answer? What kind of questions cannot be answered by
Science?
3. What is a model? What can it do for a scientist? What are the limitations?
4. Compare and contrast scientific theories and laws.
5. What are the steps in the Scientific Method?
6. How can you evaluate observations?
7. Can scientists use opinions to formulate conclusions? Why or why not?
8. What is the difference between an observation and an inference?
9. What kind of energy does a (green) plant have?
10. What kind of energy is produced by a burning fire?
11. Can thermal energy by stored?
12. What is work? How do you know work has been done?
13. What are the 6 simple machines?
14. What is a single, fixed pulley? A moveable pulley? What difference does it make when there are
multiple pulleys compared to only one?
15. What is power?
16. What is mechanical advantage? When a machine changes only the direction of the force, what is
the mechanical advantage? What other advantages can a machine give us?
17. Define thermal energy.
18. When does thermal energy transfer from one object to another?
19. What kind of energy is emitted by all objects?
20. What is the source of all energy in our atmosphere?
21. What is happening to the wind in the doldrums?
22. What is the layer of the atmosphere closest to the Earth’s surface? What are the other layers of
the atmosphere?
23. What winds are responsible for the movement of weather across the United States and Canada?
24. What is a land breeze? A sea breeze?
25. What layer of the atmosphere has the highest concentration of ozone?
26. What are the steady winds called between the equator and 30 degrees north or south?
27. What is the boundary called between 2 air masses?
28. What is it called when air contains as much moisture as possible at a specific temperature?
29. Where do precipitation and storms occur?
30. Where do violent storms generally form?
31. What is dew point?
32. What are the lines on a weather map connecting points of equal atmospheric pressure?
33. How do clouds form?
34. What kind of weather happens in high pressure? Why?
35. What percentage water are humans made of?
36. What do all organisms need to survive?
37. What organelle contains chlorophyll?
38. What does gene therapy research use to alter defective hereditary material?
39. What is the largess organelle? What are lysosomes? What are mitochondria? What makes the
rough endoplasmic reticulum rough?
40. What happens when Earth receives energy from the Sun?
41. Why is the air above the equator heated more than any other place on Earth?
42. What is found in plant cells but not in animal cells?
43. What causes cold sores?
44. Why is a cork able to float on water?